Vikram

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45 Questions

views newest activity votes

5

23

votes

3

answers

10

kviews

Construct a function which is continuous in $[1,5]$ but not differentiable at $2, 3, 4$

homework calculus

oct 23 '11 at 23:31 Did 107k

4

votes

2

answers

232

views

To show that the function is continuous at $x=2$

calculus

oct 7 '11 at 12:11 Ilya 15.1k

1

4

votes

2

answers

939

views

Find the domain of a trig function

trigonometry

sep 23 '11 at 13:43 Sasha 41.6k

3

votes

2

answers

43

views

Cofactor theorem

linear-algebra

jan 29 at 16:52 Calvin Lin 11k

3

votes

4

answers

112

views

Find the basis for the space of $2\times 2$ matrices.

linear-algebra

sep 3 at 16:31 Fly by Night 6,340

3

votes

1

answer

148

views

Root test for series

calculus sequences-and-series

apr 7 '12 at 10:32 Davide Giraudo 57.3k

1

3

votes

2

answers

137

views

Find if the sequence $n!/10^{6n}$ converges

calculus

apr 2 '12 at 15:16 Arturo Magidin 159k

3

votes

2

answers

172

views

Differentiability implying continuity

calculus

jan 11 '12 at 8:46 Davide Giraudo 57.3k

3

votes

4

answers

238

views

Find the limit as $x$ tends to $-\infty$

calculus limit

oct 11 '11 at 20:05 Américo Tavares 21.4k

1

2

votes

6

answers

98

views

Example of vector space

linear-algebra

may 26 at 17:37 Marc van Leeuwen 25.7k

1

2

votes

2

answers

154

views

Determine all $2\times2$ matrices $A$ such that $A^2=0$.

linear-algebra matrices

may 17 at 7:33 Landscape 8,842

2

votes

2

answers

40

views

How many row operations must for A and B to be row equivalent?

linear-algebra

may 2 at 9:37 Arthur 3,872

2

votes

4

answers

157

views

Empty set does not belong to empty set

elementary-set-theory

feb 13 at 12:44 Marc van Leeuwen 25.7k

2

votes

1

answer

44

views

Solving two linear equations

linear-algebra

oct 27 at 4:50 André Nicolas 168k

2

votes

3

answers

72

views

Exchange lemma for basis question

linear-algebra

oct 4 at 15:02 Community♦ 1

2

votes

3

answers

356

views

Definition and example of a partition

real-analysis

jul 31 at 6:25 William 10k

2

votes

3

answers

112

views

Solving ODE and finding maxima

differential-equations

jul 1 '12 at 7:00 Babak S. 31.5k

2

votes

2

answers

98

views

Find the limit of a function

calculus limit

oct 11 '11 at 16:41 Arturo Magidin 159k

2

votes

2

answers

152

views

Set of points of discontinuity of $f(x)=\lfloor x \rfloor$

calculus

oct 8 '11 at 19:48 Arturo Magidin 159k

2

votes

2

answers

242

views

combinatorial analysis basics

combinatorics

may 24 '11 at 17:10 amWhy 61.7k

1

vote

1

answer

171

views

vector space and its subspace

linear-algebra

jun 12 at 6:12 Community♦ 1

1

vote

1

answer

38

views

Property of Division by vector for a field

linear-algebra definition

apr 6 at 10:47 Zev Chonoles 57.6k

1

vote

1

answer

553

views

Continuity of a function of two variables

calculus

sep 7 at 6:54 isomorphismes 855

1

vote

3

answers

50

views

Partial linear dependence

linear-algebra

sep 1 at 15:08 Hagen von Eitzen 47.3k

1

vote

2

answers

448

views

Exact DE with inital value

differential-equations

jul 7 '12 at 15:11 Babak S. 31.5k

1

vote

0

answers

264

views

Capital and small letter function notations

notation

jun 27 '12 at 7:44 Siminore 7,945

1

vote

0

answers

150

views

Find $\delta$ for limit

calculus limit

mar 16 '12 at 11:22 Vikram 619

1

vote

2

answers

615

views

Find the domain of $x^{2/3}$

calculus

feb 14 '12 at 18:08 André Nicolas 168k

1

vote

3

answers

155

views

Find left hand limit of a function

calculus

oct 9 '11 at 18:29 Christian Blatter 33.9k

1

vote

2

answers

279

views

Domain of a function by inspection

functions

sep 27 '11 at 19:14 André Nicolas 168k

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